1. AC Question's Avatar
    S3 battery life was great, then one day would only last a few hours. Replaced with new Samsung battery, same problem. Battery drains in hours. Also, phone sometimes shuts off with 50% battery. Will not restart unless on charger. What's going on? I have done nothing different on phone use, apps, etc. Mainly a phone and a little internet.
    07-15-2015 05:51 PM
  2. belodion's Avatar
    Welcome to AC.

    When you need to recharge, what do your battery usage stats indicate as the main users of charge during that preceding period?

    Posted via the Android Central App
    07-15-2015 06:43 PM
  3. joc664's Avatar
    Android system 29%, screen 25%. Haven't been on the phone lately, if I have, phone is at ~30%, system 10
    07-15-2015 07:53 PM
  4. belodion's Avatar
    It looks like Android System is using too much charge. First, try a Cache Partition wipe. Tell us what that does.

    Posted via the Android Central App
    07-16-2015 05:26 AM
  5. Rukbat's Avatar
    Also, make sure you charge to 100% plus at least 15 minutes. ("!00%" on the charger is actually about 98% charge), and don't let it drop below 30% before recharging.

    Post a screenshot of the battery stats page (see How To Post Screenshots on Android Central), then tap the graph at the top and post a screen shot of that page. (A weak mobile signal can kill a battery quickly.)
    07-16-2015 09:54 AM

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